MX2022000146A - Metodo para decodificar imagenes y aparato para el mismo. - Google Patents

Metodo para decodificar imagenes y aparato para el mismo.

Info

Publication number
MX2022000146A
MX2022000146A MX2022000146A MX2022000146A MX2022000146A MX 2022000146 A MX2022000146 A MX 2022000146A MX 2022000146 A MX2022000146 A MX 2022000146A MX 2022000146 A MX2022000146 A MX 2022000146A MX 2022000146 A MX2022000146 A MX 2022000146A
Authority
MX
Mexico
Prior art keywords
apparatus therefor
decoding image
decoding
image information
image
Prior art date
Application number
MX2022000146A
Other languages
English (en)
Spanish (es)
Inventor
Seunghwan Kim
Seethal Paluri
Jie Zhao
Original Assignee
Lg Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of MX2022000146A publication Critical patent/MX2022000146A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
MX2022000146A 2019-06-28 2020-06-24 Metodo para decodificar imagenes y aparato para el mismo. MX2022000146A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962867872P 2019-06-28 2019-06-28
PCT/KR2020/008136 WO2020262917A1 (ko) 2019-06-28 2020-06-24 영상 디코딩 방법 및 그 장치

Publications (1)

Publication Number Publication Date
MX2022000146A true MX2022000146A (es) 2022-02-17

Family

ID=74061818

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022000146A MX2022000146A (es) 2019-06-28 2020-06-24 Metodo para decodificar imagenes y aparato para el mismo.

Country Status (7)

Country Link
US (2) US12010311B2 (ko)
EP (1) EP3993418A4 (ko)
JP (3) JP7293408B2 (ko)
KR (2) KR102644970B1 (ko)
CN (1) CN114208180A (ko)
MX (1) MX2022000146A (ko)
WO (1) WO2020262917A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112022005290A2 (pt) * 2019-09-23 2022-09-20 Huawei Tech Co Ltd Método e aparelho para sinalização de parâmetros de quantização de crominância

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3413720B2 (ja) * 1998-06-26 2003-06-09 ソニー株式会社 画像符号化方法及び装置、並びに画像復号方法及び装置
CN101401430B (zh) * 2006-11-17 2012-02-29 Lg电子株式会社 用于解码/编码视频信号的方法及装置
JP5159226B2 (ja) * 2007-09-25 2013-03-06 株式会社東芝 画像データ処理システム
WO2011043793A1 (en) * 2009-10-05 2011-04-14 Thomson Licensing Methods and apparatus for embedded quantization parameter adjustment in video encoding and decoding
US20110282967A1 (en) * 2010-04-05 2011-11-17 Electronics And Telecommunications Research Institute System and method for providing multimedia service in a communication system
EP3273691B1 (en) * 2012-12-18 2021-09-22 Sony Group Corporation Image processing device and image processing method
US9294766B2 (en) * 2013-09-09 2016-03-22 Apple Inc. Chroma quantization in video coding
EP2854404A3 (en) * 2013-09-09 2015-07-15 Apple Inc. Chroma quantization in video coding
US9883184B2 (en) * 2014-10-07 2018-01-30 Qualcomm Incorporated QP derivation and offset for adaptive color transform in video coding
KR102365685B1 (ko) 2015-01-05 2022-02-21 삼성전자주식회사 인코더의 작동 방법과 상기 인코더를 포함하는 장치들
EP3286919A1 (en) 2015-04-21 2018-02-28 VID SCALE, Inc. High dynamic range video coding
US10448056B2 (en) 2016-07-15 2019-10-15 Qualcomm Incorporated Signaling of quantization information in non-quadtree-only partitioned video coding
US10944976B2 (en) * 2016-07-22 2021-03-09 Sharp Kabushiki Kaisha Systems and methods for coding video data using adaptive component scaling
US20200036985A1 (en) 2016-09-30 2020-01-30 Lg Electronics Inc. Method and apparatus for block partitioning and intra prediction in image coding system
US10477212B2 (en) * 2016-10-11 2019-11-12 Dolby Laboratories Licensing Corporation Adaptive chroma quantization in video coding for multiple color imaging formats

Also Published As

Publication number Publication date
US12010311B2 (en) 2024-06-11
JP2022540048A (ja) 2022-09-14
KR20240036120A (ko) 2024-03-19
EP3993418A1 (en) 2022-05-04
CN114208180A (zh) 2022-03-18
KR102644970B1 (ko) 2024-03-08
JP7293408B2 (ja) 2023-06-19
JP2023113869A (ja) 2023-08-16
EP3993418A4 (en) 2023-06-28
KR20220003118A (ko) 2022-01-07
US20240291988A1 (en) 2024-08-29
US20230016701A1 (en) 2023-01-19
JP7481544B2 (ja) 2024-05-10
WO2020262917A1 (ko) 2020-12-30
JP2024096234A (ja) 2024-07-12

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